$OpenBSD: patch-ui_gl_sync_control_vsync_provider_h,v 1.3 2017/04/28 22:22:36 robert Exp $
--- ui/gl/sync_control_vsync_provider.h.orig.port	Fri Apr 28 07:37:26 2017
+++ ui/gl/sync_control_vsync_provider.h	Fri Apr 28 07:37:33 2017
@@ -31,7 +31,7 @@ class SyncControlVSyncProvider : public gfx::VSyncProv
   virtual bool GetMscRate(int32_t* numerator, int32_t* denominator) = 0;
 
  private:
-#if defined(OS_LINUX)
+#if defined(OS_LINUX) || defined(OS_BSD)
   base::TimeTicks last_timebase_;
   uint64_t last_media_stream_counter_ = 0;
   base::TimeDelta last_good_interval_;
